# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License along with
-# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA 02111-1307 USA
-
-use XML::Simple;
-use LWP::Simple;
-use LWP::UserAgent;
-use HTTP::Request::Common;
-use C4::Koha;
-use URI::Escape;
-use POSIX;
-use Digest::SHA qw(hmac_sha256_base64);
+# You should have received a copy of the GNU General Public License along
+# with Koha; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
use strict;
use warnings;
BEGIN {
require Exporter;
- $VERSION = 0.03;
+ $VERSION = 3.07.00.049;
@ISA = qw(Exporter);
@EXPORT = qw(
- get_amazon_details
get_amazon_tld
);
}
=over
-=item get_amazon_detail( $isbn, $record, $marcflavour, $services )
-
-Get editorial reviews, customer reviews, and similar products using Amazon Web Services.
-
-Parameters:
-
-=over
-
-=item $isbn
-
-Biblio record isbn
-
-=item $record
-
-Biblio MARC record
-
-=item $marcflavour
-
-MARC flavor, MARC21 or UNIMARC
-
-=item $services
-
-Requested Amazon services: A ref to an array. For example,
-[ 'Similarities', 'EditorialReviews', 'Reviews' ].
-No other service will be accepted. Services must be spelled exactly.
-If no sercice is requested, AWS isn't called.
-
-=back
-
=item get_amazon_tld()
Get Amazon Top Level Domain depending on Amazon local preference: AmazonLocal.
=cut
-
-sub get_amazon_details {
- my ( $isbn, $record, $marcflavour, $aws_ref ) = @_;
-
- return unless defined $aws_ref;
- my @aws = @$aws_ref;
- return if $#aws == -1;
-
- # Normalize the fields
- $isbn = GetNormalizedISBN($isbn);
- my $upc = GetNormalizedUPC($record,$marcflavour);
- my $ean = GetNormalizedEAN($record,$marcflavour);
- # warn "ISBN: $isbn | UPC: $upc | EAN: $ean";
-
- # Choose the appropriate and available item identifier
- my ( $id_type, $item_id ) =
- defined($isbn) && length($isbn) == 13 ? ( 'EAN', $isbn ) :
- $isbn ? ( 'ASIN', $isbn ) :
- $upc ? ( 'UPC', $upc ) :
- $ean ? ( 'EAN', $upc ) : ( undef, undef );
- return unless defined($id_type);
-
- # grab the item format to determine Amazon search index
- my %hformat = ( a => 'Books', g => 'Video', j => 'Music' );
- my $search_index = $hformat{ substr($record->leader(),6,1) } || 'Books';
-
- my $parameters={Service=>"AWSECommerceService" ,
- "AWSAccessKeyId"=> C4::Context->preference('AWSAccessKeyID') ,
- "Operation"=>"ItemLookup",
- "AssociateTag"=> C4::Context->preference('AmazonAssocTag') ,
- "Version"=>"2009-06-01",
- "ItemId"=>$item_id,
- "IdType"=>$id_type,
- "ResponseGroup"=> join( ',', @aws ),
- "Timestamp"=>strftime("%Y-%m-%dT%H:%M:%SZ", gmtime)
- };
- $$parameters{"SearchIndex"} = $search_index if $id_type ne 'ASIN';
- my @params;
- while (my ($key,$value)=each %$parameters){
- push @params, qq{$key=}.uri_escape($value, "^A-Za-z0-9\-_.~" );
- }
-
- my $url =qq{http://webservices.amazon}. get_amazon_tld().
- "/onca/xml?".join("&",sort @params).qq{&Signature=}.uri_escape(SignRequest(@params),"^A-Za-z0-9\-_.~" );
-
- my $content = get($url);
- warn "could not retrieve $url" unless $content;
- my $xmlsimple = XML::Simple->new();
- my $response = $xmlsimple->XMLin(
- $content,
- forcearray => [ qw(SimilarProduct EditorialReview Review Item) ],
- ) unless !$content;
- return $response;
-}
-
-sub SignRequest{
- my @params=@_;
- my $tld=get_amazon_tld();
- my $string = qq{GET\nwebservices.amazon$tld\n/onca/xml\n} . join("&",sort @params);
- return hmac_sha256_base64($string,C4::Context->preference('AWSPrivateKey')) . '=';
-}
-
-sub check_search_inside {
- my $isbn = shift;
- my $ua = LWP::UserAgent->new(
- agent => "Mozilla/4.76 [en] (Win98; U)",
- keep_alive => 1,
- env_proxy => 1,
- );
- my $available = 1;
- my $uri = "http://www.amazon.com/gp/reader/$isbn/ref=sib_dp_pt/002-7879865-0184864#reader-link";
- my $req = HTTP::Request->new(GET => $uri);
- $req->header (
- 'Accept' => 'image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png, */*',
- 'Accept-Charset' => 'iso-8859-1,*,utf-8',
- 'Accept-Language' => 'en-US' );
- my $res = $ua->request($req);
- my $content = $res->content();
- if ($content =~ m/This book is temporarily unavailable/) {
- undef $available;
- }
- return $available;
-}
-
1;
__END__
=head1 NOTES
+=cut
+
=head1 AUTHOR
Joshua Ferraro <jmf@liblime.com>